<!doctype html>
<body>
  <script src=/resources/testharness.js></script>
  <script src=/resources/testharnessreport.js></script>
  <script src=/common/utils.js></script>
  <script src=/fenced-frame/resources/utils.js></script>
  <script src=/shared-storage/resources/util.js></script>
  <script>
    'use strict';
    const rawSetHeader = 'set;key=hello;value=world';
    const setHeader = encodeURIComponent(rawSetHeader);
    const sameOriginUrl =
          `/shared-storage/resources/shared-storage-write.py?write=${setHeader}`;
    const sameOrigin = generateURL(sameOriginUrl, []).origin;

    promise_test(async t => {
      const request = new Request(sameOriginUrl,
                                  {
                                    headers: {
                                      'Sec-Shared-Storage-Writable': '?1'
                                    }
                                  });
      assert_equals(request.mode, 'cors');
      let response = await fetch(request);
      let sharedStorageWritableHeader = await response.text();
      assert_equals(sharedStorageWritableHeader,
                    "NO_SHARED_STORAGE_WRITABLE_HEADER");
      await verifyKeyNotFoundForOrigin('hello', sameOrigin);
    }, 'The \'Sec-Shared-Storage-Writable\' header cannot successfully be '
       + 'added directly via a JS fetch request with mode cors.');

    promise_test(async t => {
      const request = new Request(sameOriginUrl,
                                  {
                                    headers: {
                                      'Sec-Shared-Storage-Writable': '?1'
                                    },
                                    mode: 'no-cors'
                                  });
      assert_equals(request.mode, 'no-cors');
      let response = await fetch(request);
      let sharedStorageWritableHeader = await response.text();
      assert_equals(sharedStorageWritableHeader,
                    "NO_SHARED_STORAGE_WRITABLE_HEADER");
      await verifyKeyNotFoundForOrigin('hello', sameOrigin);
    }, 'The \'Sec-Shared-Storage-Writable\' header cannot successfully be '
       + 'added directly via a JS fetch request with mode no-cors.');
  </script>
</body>
